BAGHDAD  The Pentagon has reprimanded seven more soldiers implicated in the abuse of Iraqi prisoners, bringing to 13 the number of American troops charged or punished in the most extensive scandal to emerge from the U.S.-led occupation.

American soldiers stand behind a pyramid of naked Iraqi prisoners at the Abu Ghraib prison near Baghdad in this undated photo.

AP via The New Yorker

Pentagon spokesman Larry DiRita said six of the soldiers were given the severest form of reprimand, which is usually career-ending. The seventh was punished less severely. DiRita declined to name any of them. Six U.S. military police were already facing criminal charges.

The revelation that U.S. troops humiliated and abused Iraqi prisoners at Baghdad's Abu Ghraib prison, notorious for torture of prisoners under Saddam Hussein, has put new strain on the already difficult American occupation. President Bush urged Defense Secretary Donald Rumsfeld on Monday to punish those responsible for abusing prisoners for "shameful and appalling acts," White House spokesman Scott McClellan said.

AP via The New Yorker

A hooded and wired Iraqi prisoner at Abu Ghraib prison who reportedly was told that he would be electrocuted if he fell off a box, is pictured this undated photo.

DiRita told reporters Monday that neither Rumsfeld nor Gen. Richard Myers, chairman of the Joint Chiefs of Staff, has yet read the 53-page report of an Army investigation that is said to have detailed serious abuses of Iraqi prisoners at Abu Ghraib.

Rep. Jane Harman of California, the senior Democrat on the House Intelligence Committee, called that a "highly disturbing" omission that "raises questions about how seriously the administration and the White House were taking these allegations." Both Harman and Sen. John Warner, R-Va., chairman of the Senate Armed Services Committee, asked the Pentagon for briefings on the matter.

Though news of the abuses first became public in January, the outcry intensified last week when CBS' 60 Minutes II aired pictures of naked Iraqi prisoners forced to lie in piles in front of their American captors. Other photographs have shown male Iraqi prisoners being forced to simulate sex acts or stand naked as male and female U.S. guards jeered them. The photos sparked outrage in the Arab world, where Islamic law strongly condemns nudity and homosexuality.

The CIA has launched a separate probe into the death of an Iraqi inmate who died while being questioned by CIA officers. An Army Reserve general in charge of military prisons in Iraq when the mistreatment occurred said Monday that other high-ranking U.S. officers should be held accountable.

Brig. Gen. Janis Karpinski, who was relieved of command, told ABC's Good Morning America that Lt. Gen. Ricardo Sanchez who commands U.S. forces in Iraq, should accept some of the blame.